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Finding the Fourth Proportional to 215,777.74, 297,900.84 and 191,838.14

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Solution

The fourth proportional to 215,777.74, 297,900.84 and 191,838.14 is: 264,850.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,777.74 : 297,900.84 = 191,838.14 : x
  2. Step 2: Convert to fraction form
    215,777.74/297,900.84 = 191,838.14/x
  3. Step 3: Cross multiply
    215,777.74x = 297,900.84 × 191,838.14
  4. Step 4: Simplify right side
    215,777.74x = 57,148,743,050.04
  5. Step 5: Solve for x
    x = 57,148,743,050.04/215,777.74
  6. Step 6: Final answer
    x = 264,850.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.